<template>
  <div class="app-container">
    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-button
        v-permission="['POST /admin/category/create']"
        class="filter-item"
        type="primary"
        icon="el-icon-edit"
        @click="handleCreate"
      >添加</el-button>
    </div>

    <!-- 查询结果 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="正在查询中。。。"
      border
      fit
      highlight-current-row
      row-key="id"
    >
      <el-table-column align="center" label="类目ID" prop="id" />

      <el-table-column align="center" label="类目名" prop="name" />

      <!-- <el-table-column align="center" property="iconUrl" label="类目图标">
        <template slot-scope="scope">
          <img v-if="scope.row.iconUrl" :src="scope.row.iconUrl" width="40">
        </template>
      </el-table-column>

      <el-table-column align="center" property="picUrl" label="类目图片">
        <template slot-scope="scope">
          <img v-if="scope.row.picUrl" :src="scope.row.picUrl" width="80">
        </template>
      </el-table-column>-->

      <!-- <el-table-column align="center" label="关键字" prop="keywords"/> -->

      <!-- <el-table-column align="center" min-width="100" label="简介" prop="desc"/> -->

      <el-table-column align="center" label="级别" prop="level">
        <template slot-scope="scope">
          <el-tag :type="scope.row.level === 'L1' ? 'primary' : 'info' ">
            <!-- {{ scope.row.level === 'L1' ? '一级类目': '二级类目' }} -->
            <span v-if="scope.row.level == 'L1'">一级类目</span>
            <span v-if="scope.row.level == 'L2'">二级类目</span>
            <span v-if="scope.row.level == 'L3'">三级类目</span>
          </el-tag>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="200" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            v-permission="['POST /admin/category/update']"
            type="primary"
            size="mini"
            @click="handleUpdate(scope.row)"
          >编辑</el-button>
          <el-button
            v-permission="['POST /admin/category/delete']"
            type="danger"
            size="mini"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form
        ref="dataForm"
        :rules="rules"
        :model="dataForm"
        status-icon
        label-position="left"
        label-width="100px"
        style="width: 400px; margin-left:50px;"
      >
        <el-form-item label="类目名称" prop="name">
          <el-input v-model="dataForm.name" />
        </el-form-item>
        <!-- <el-form-item label="关键字" prop="keywords">
          <el-input v-model="dataForm.keywords"/>
        </el-form-item>-->
        <el-form-item label="级别" prop="level">
          <el-select v-model="dataForm.level" @change="onLevelChange">
            <el-option label="一级类目" value="L1" />
            <el-option label="二级类目" value="L2" />
            <el-option label="三级类目" value="L3" />
          </el-select>
        </el-form-item>
        <el-form-item
          v-if="dataForm.level === 'L2' || dataForm.level === 'L3'"
          label="父类目"
          prop="pid"
        >
          <el-select v-model="dataForm.pid">
            <el-option
              v-for="item in catL1"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            />
          </el-select>
        </el-form-item>
        <!-- <el-form-item label="类目图标" prop="iconUrl">
          <el-upload
            :headers="headers"
            :action="uploadPath"
            :show-file-list="false"
            :on-success="uploadIconUrl"
            class="avatar-uploader"
            accept=".jpg,.jpeg,.png,.gif">
            <img v-if="dataForm.iconUrl" :src="dataForm.iconUrl" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon"/>
          </el-upload>
        </el-form-item>
        <el-form-item label="类目图片" prop="picUrl">
          <el-upload
            :headers="headers"
            :action="uploadPath"
            :show-file-list="false"
            :on-success="uploadPicUrl"
            class="avatar-uploader"
            accept=".jpg,.jpeg,.png,.gif">
            <img v-if="dataForm.picUrl" :src="dataForm.picUrl" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon"/>
          </el-upload>
        </el-form-item>
        <el-form-item label="类目简介" prop="desc">
          <el-input v-model="dataForm.desc"/>
        </el-form-item>-->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确定</el-button>
        <el-button v-else type="primary" @click="updateData">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<style scoped>
.filter-item {
  margin-left: 100px;
}
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}
.avatar {
  width: 145px;
  height: 145px;
  display: block;
}
</style>

<script>
import {
  listCatL1,
  listCatL2,
  createCategory,
  updateCategory,
  deleteCategory,
  findCategory,
} from "@/api/category";
import { uploadPath } from "@/api/storage";
import { getToken } from "@/utils/auth";

export default {
  name: "Category",
  data() {
    return {
      uploadPath,
      list: [],
      listLoading: true,
      catL1: {},
      dataForm: {
        id: undefined,
        name: "",
        keywords: "",
        level: "L2",
        pid: 0,
        desc: "",
        iconUrl: "",
        picUrl: "",
      },
      dialogFormVisible: false,
      dialogStatus: "",
      textMap: {
        update: "编辑",
        create: "创建",
      },
      rules: {
        name: [{ required: true, message: "类目名不能为空", trigger: "blur" }],
      },
    };
  },
  computed: {
    headers() {
      return {
        "X-Litemall-Admin-Token": getToken(),
      };
    },
  },
  created() {
    this.getList();
    this.getCatL1();
  },
  methods: {
    getList() {
      this.listLoading = true;
      findCategory()
        .then((response) => {
          this.list = response.data.data.list;
          this.listLoading = false;
        })
        .catch(() => {
          this.list = [];
          this.listLoading = false;
        });
    },
    getCatL1() {
      listCatL1().then((response) => {
        this.catL1 = response.data.data.list;
      });
    },
    getCatL2() {
      listCatL2().then((response) => {
        this.catL1 = response.data.data.list;
      });
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: "",
        keywords: "",
        level: "L2",
        pid: 0,
        desc: "",
        iconUrl: "",
        picUrl: "",
      };
    },
    onLevelChange: function (value) {
      console.log(value)
      if (value === "L1") {
        this.dataForm.pid = 0;
      }else if(value == 'L2'){
        this.getCatL1()
      }else if(value == 'L3'){
        this.getCatL2()
      }
    },
    handleCreate() {
      this.resetForm();
      this.dialogStatus = "create";
      this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    uploadIconUrl: function (response) {
      this.dataForm.iconUrl = response.data.url;
    },
    uploadPicUrl: function (response) {
      this.dataForm.picUrl = response.data.url;
    },
    createData() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          createCategory(this.dataForm)
            .then((response) => {
              this.getList();
              // 更新L1目录
              this.getCatL1();
              this.dialogFormVisible = false;
              this.$notify.success({
                title: "成功",
                message: "创建成功",
              });
            })
            .catch((response) => {
              this.$notify.error({
                title: "失败",
                message: response.data.errmsg,
              });
            });
        }
      });
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row);
      this.dialogStatus = "update";
      this.dialogFormVisible = true;
      this.$nextTick(() => {
        this.$refs["dataForm"].clearValidate();
      });
    },
    updateData() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          updateCategory(this.dataForm)
            .then(() => {
              this.getList();
              // 更新L1目录
              this.getCatL1();
              this.dialogFormVisible = false;
              this.$notify.success({
                title: "成功",
                message: "更新成功",
              });
            })
            .catch((response) => {
              this.$notify.error({
                title: "失败",
                message: response.data.errmsg,
              });
            });
        }
      });
    },
    handleDelete(row) {
      deleteCategory(row)
        .then((response) => {
          this.getList();
          // 更新L1目录
          this.getCatL1();
          this.$notify.success({
            title: "成功",
            message: "删除成功",
          });
        })
        .catch((response) => {
          this.$notify.error({
            title: "失败",
            message: response.data.errmsg,
          });
        });
    },
  },
};
</script>
